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苦木的炮制方法与药材保存

ว 2026-09-10 09:20:18ที่ https://m.zyctd.com/gongxiao333.htmlเ admin

苦木的炮制方法:除去杂质,枝洗净,润透,切片,干燥;叶喷淋清水,稍润,切丝,干燥。苦木的采收加工:夏、秋二季采收,干燥。苦木枝的炮制:取原药材,除去杂质,洗净,润透,切厚片,干燥,筛去灰屑。苦木叶的炮制:取原药材,除去杂质及枝梗,喷淋清水,稍润,切丝,干燥。炮制后的苦木枝应呈类圆形的厚片,表面灰绿色或棕绿色,有细密的纵纹和多数点状皮孔,断面淡黄色,髓部较大,质脆,气微,味极苦。苦木叶应呈不规则的丝条状,表面绿色或淡紫红色,沿中脉有柔毛,气微,味极苦。苦木的保存方法:置干燥处,防潮、防蛀。苦木枝和叶应分别存放,避免混淆。苦木因含有丰富的苦味素类成分,易吸潮变质,保存时应注意密封,置于阴凉干燥处。苦木的质量标准:按照《中国药典》规定,苦木枝的水分不得过12.0%,总灰分不得过5.0%;苦木叶的水分不得过13.0%,总灰分不得过7.0%。苦木的浸出物按照醇溶性浸出物测定法项下的热浸法测定,用稀乙醇作溶剂,不得少于8.0%。苦木的鉴别采用薄层色谱法,以苦木对照药材为对照,在与对照药材色谱相应的位置上显相同颜色的斑点。苦木的炮制和保存是保证药材质量和临床疗效的重要环节,应严格按照药典规范执行。

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